131353660544 has 16 divisors (see below), whose sum is σ = 261681120870. Its totient is φ = 65676830208.

The previous prime is 131353660531. The next prime is 131353660561. The reversal of 131353660544 is 445066353131.

It can be written as a sum of positive squares in only one way, i.e., 84216040000 + 47137620544 = 290200^2 + 217112^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513100109 + ... + 513100364.

Almost surely, 2^131353660544 is an apocalyptic number.

It is an amenable number.

131353660544 is a deficient number, since it is larger than the sum of its proper divisors (130327460326).

131353660544 is an equidigital number, since it uses as much as digits as its factorization.

131353660544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026200487 (or 1026200475 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 131353660544 in words is "one hundred thirty-one billion, three hundred fifty-three million, six hundred sixty thousand, five hundred forty-four".